Circuits

Which of these best completes the circuit?

• rubber band
• metal nail
• leather shoelace
• wooden toothpick

Electrical lights will not come on unless their electrical circuit is a --

• parallel circuit
• series circuit
• closed circuit
• short circuit

A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?

• plastic straw
• cotton string
• aluminum foil
• rubber eraser

Tags

NGSS.4-PS3-2

A class prepared some electrical circuits using battery, connecting wires, and three light bulbs.  Which of these circuits can make the three bulbs light?

• A
• B
• C
• D

Tags

NGSS.3-5-ETS1-1

NGSS.4-PS3-2

NGSS.4-PS3-4

The electrician in this picture is wearing rubber gloves for protection.  The purpose of the rubber gloves is to --

• keep the electrician dry
• create an electrical circuit
• produce electricity
• protect the electrician

Which of these substances conducts electricity the best?

• wood
• brick
• copper
• plastic

This instrument can be used to see if materials conduct electricity.  Which of these groups contains items that could all conduct electricity to complete the circuit?

• rubber ball, plastic comb, nail
• paper clip, penny, screw
• cork, dollar bill, tweezers
• pencil, eraser, spoon

Which form of energy is being used by the toaster?

• chemical
• electrical
• solar
• nuclear

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light
• The bulb is dimmer
• The wires get hot
• There is no change

Tags

NGSS.MS-PS3-5

This is an example of a ______ circuit

• Series
• Parallel
• Open
• Dihexihedral